1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * at91-ariag25.dts - Device Tree file for Acme Systems Aria G25 (AT91SAM9G25 based)
5 * Copyright (C) 2013 Douglas Gilbert <dgilbert@interlog.com>,
6 * Robert Nelson <robertcnelson@gmail.com>
9 #include "at91sam9g25.dtsi"
12 model = "Acme Systems Aria G25";
13 compatible = "acme,ariag25", "atmel,at91sam9x5ek",
14 "atmel,at91sam9x5", "atmel,at91sam9";
22 bootargs = "console=ttyS0,115200 root=/dev/mmcblk0p2 rw rootwait";
26 /* 128 MB, change this for 256 MB revision */
27 reg = <0x20000000 0x8000000>;
32 clock-frequency = <32768>;
36 clock-frequency = <12000000>;
41 compatible = "gpio-leds";
43 /* little green LED in middle of Aria G25 module */
46 gpios = <&pioB 8 GPIO_ACTIVE_HIGH>; /* PB8 */
47 linux,default-trigger = "heartbeat";
53 compatible = "w1-gpio";
54 gpios = <&pioA 21 GPIO_ACTIVE_LOW>;
55 pinctrl-names = "default";
56 pinctrl-0 = <&pinctrl_w1_0>;
62 atmel,adc-channels-used = <0xf>;
77 /* TWD2+TCLK2 hidden behind ethernet, so no i2c2 */
82 * following can be overwritten by bootloader:
83 * for example u-boot 'ftd set' command
85 local-mac-address = [00 00 00 00 00 00];
91 /* N.B. Aria has no SD card detect (CD), assumed present */
94 &pinctrl_mmc0_slot0_clk_cmd_dat0
95 &pinctrl_mmc0_slot0_dat1_3>;
96 pinctrl-names = "default";
107 pinctrl_w1_0: w1_0-0 {
108 atmel,pins = <0 21 0x0 0x1>; /* PA21 PIO, pull-up */
119 compatible = "atmel,tcb-timer";
124 compatible = "atmel,tcb-timer";
130 * UART0/1 pins are marked as GPIO on
131 * Aria documentation.
132 * Change to "okay" if you need additional serial ports
143 pinctrl-0 = <&pinctrl_usart0
145 &pinctrl_usart0_cts>;
150 pinctrl-0 = <&pinctrl_usart1
151 /* &pinctrl_usart1_rts */
152 /* &pinctrl_usart1_cts */
158 /* cannot activate RTS2+CTS2, clash with
159 * ethernet on PB0 and PB1 */
160 pinctrl-0 = <&pinctrl_usart2>;
165 compatible = "atmel,at91sam9260-usart";
166 reg = <0xf8028000 0x200>;
167 interrupts = <8 4 5>;
168 pinctrl-names = "default";
169 pinctrl-0 = <&pinctrl_usart3
170 /* &pinctrl_usart3_rts */
171 /* &pinctrl_usart3_cts */